Insects

Definition of Insects as it relates to Animals, Arachnids, Mites, Animal Kingdom

Insects are a diverse group of small, invertebrate animals found within the Animal Kingdom, specifically under the subcategories of Arachnids and Mites. They are characterized by their segmented bodies, jointed appendages, and exoskeletons made of chitin. Insects undergo complete metamorphosis, passing through distinct larval and adult stages. As members of the Animal Kingdom, insects share common characteristics with other animals such as having specialized cells, complex behavior, and a life cycle involving reproduction and embryonic development. Within the broader categories of Arachnids and Mites, insects stand out due to their distinct body plan, which includes three main body segments: the head, thorax, and abdomen, and six legs attached to the thoracic segment. Insects play crucial roles in various ecosystems as pollinators, decomposers, and food sources for other animals. They display remarkable adaptations, allowing them to occupy diverse habitats and niches worldwide, from terrestrial environments to freshwater and marine ecosystems. Their vast array of forms, functions, and behaviors make insects a fascinating and essential component of the Animal Kingdom.

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  • [InsectScience.org] ESA Publications | Oxford Academic
  • [InsectScience.net] Insectscience.net – Insectscience.net
  • [insects.eaap.org] EAAP Insects Commission – EAAP Insects Commission website
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  • [Entomologist.net] Exploring the Fascinating World of Insects - Entomologist.net
  • [blog.entomologist.net] Exploring the Ecosystem: The Role of Insects and Their Habitats | 2025
  • [Herbivory.com] Insects on Plants, Chemical Ecology, and Coevolution – Website of the Phytophagy Lab at Cornell University, led by a href=https://live-agrawal.pantheonsite.io/prof-anurag-argrawal/Anurag Agrawal/a, a href=https://live-agrawal.pantheonsite.io/2017/11/16/who-was-james-a-perkins/ style=font-style:italic;James A. Perkins Professor of Environmental Studies/a
  • [ButterflyIdentification.org] Butterfly, Moth, and Skipper Identification - North American Flying Insects
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  • [icipe.org] icipe - International Centre of Insect Physiology and Ecology
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  • [InsectGenetics.com] Black Soldier Fly Farming and Insect Genetics in the UK
  • [InsectIdentification.org] Insect, Bugs and Spider Identification - North America
  • [entomology.ces.ncsu.edu] Entomology Insect Biology and Management | NC State Extension
  • [pdic.ces.ncsu.edu] Plant Disease and Insect Clinic | NC State Extension
  • [bugg.com] BUGGINS Insect Repellents - BUGGSLAYER Insecticides | BUGG
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  • [bugsoftennessee.com] Bugs of Tennessee - Cataloging Insect and Bug Species of Tennessee
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  • [Olfactometers.com] Sigma Scientific LLC Micanopy, FL Insect olfactometry equpment
  • [insectlab.russell.wisc.edu] UW Insect Diagnostic Lab - Wisconsin Insect Identification
  • [pestworldforkids.org] Kid-Friendly Insect Research, Bug Facts, Information on Pests
  • [off.ca] OFF! Mosquito, Tick Insect Repellents | SC Johnson
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